RI-21AA и другие
| Компонент | Описание | Производитель | |
| 403I21AM | Surface Mount Quartz Crystal |
CTS Corporation |
 |
| 405I21AM | Surface Mount Quartz Crystal |
CTS Corporation |
|
| 406I21A10.000 | 3.5 x 6.0 mm Ceramic - SM Crystal |
CTS Corporation |
|
| 406I21A15.999 | 3.5 x 6.0 mm Ceramic - SM Crystal |
CTS Corporation |
|
| 406I21A50.000 | 3.5 x 6.0 mm Ceramic - SM Crystal |
CTS Corporation |
|
| 445I21AMXXXXX | Surface Mount Quartz Crystal |
CTS Corporation |
|
| CMD41I21A-20.000 | Replacement for Plastic SMD Crystal |
Crystek Corporation |
|
| CMD42I21A-20.000 | Replacement for Plastic SMD Crystal |
Crystek Corporation |
|
| CMD43I21A-20.000 | Replacement for Plastic SMD Crystal |
Crystek Corporation |
|
| CMD44I21A-20.000 | Replacement for Plastic SMD Crystal |
Crystek Corporation |
|